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Efficacy of XP20B Following Bunionectomy Surgery

This study has been completed.
ClinicalTrials.gov Identifier:
First Posted: April 9, 2008
Last Update Posted: October 8, 2008
The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.
Information provided by:
Xanodyne Pharmaceuticals
The purpose of this study is to determine if XP20B is an effective treatment for the relief of pain following bunionectomy surgery.

Condition Intervention Phase
Acute Pain Drug: XP20B Drug: Placebo Phase 3

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Double (Participant, Investigator)
Primary Purpose: Treatment
Official Title: Multicenter, Randomized, Double-Blind, Parallel Group, Placebo-Controlled Study of the Analgesic Efficacy of XP20B in Subjects With Pain Following Bunionectomy Surgery

Further study details as provided by Xanodyne Pharmaceuticals:

Primary Outcome Measures:
  • Average pain over a fixed dosing period [ Time Frame: Multiple-day ]

Secondary Outcome Measures:
  • multiple pain assessments over a fixed dosing period [ Time Frame: Multiple-day ]
  • Rescue medication use [ Time Frame: Multiple-day ]
  • Safety evaluations [ Time Frame: Multiple-day ]

Estimated Enrollment: 190
Study Start Date: April 2008
Study Completion Date: August 2008
Primary Completion Date: August 2008 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Placebo Comparator: A Drug: Placebo
Experimental: B Drug: XP20B


Information from the National Library of Medicine

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Ages Eligible for Study:   18 Years to 65 Years   (Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   Yes

Inclusion Criteria:

  • having undergone bunionectomy surgery
  • having achieved the requisite level of pain

Exclusion Criteria:

  • pregnant or lactating
  • history of substance abuse
  • clinically significant condition or lab abnormality
  • taken any prohibited medications
  • gastrointestinal bleeding or history of
  Contacts and Locations
Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT00655291

United States, California
Investigatve Site
Anaheim, California, United States, 92810
United States, Maryland
Investigative Site
Owings Mills, Maryland, United States, 21117
United States, Texas
Investigative Site
Austin, Texas, United States, 78705
Investigative Site
Houston, Texas, United States, 78705
Investigative Site
San Marcos, Texas, United States, 78666
United States, Utah
Investigative Site
Salt Lake City, Utah, United States, 84117
Sponsors and Collaborators
Xanodyne Pharmaceuticals
OverallOfficial: Keith Moore, PharmD Xanodyne Pharmaceuticals
  More Information

Responsible Party: Caroline Masoner/Clinical Trial Manager, Xanodyne Pharmaceuticals
ClinicalTrials.gov Identifier: NCT00655291     History of Changes
Other Study ID Numbers: XP20B-301
First Submitted: April 3, 2008
First Posted: April 9, 2008
Last Update Posted: October 8, 2008
Last Verified: October 2008

Keywords provided by Xanodyne Pharmaceuticals:

Additional relevant MeSH terms:
Acute Pain
Neurologic Manifestations
Nervous System Diseases
Signs and Symptoms